Pablo Hidalgo et al. in The Star Wars Book describes "force ghosts" and their powers.
Pablo Hidalgo, Cole Horton, and Dan Zehr, The Star Wars Book (New York, NY: DK Publishing, 2020), 60
Some Jedi have the ability to retain their consciousness in the Force after death and interact with the physical world. While Qui-Gon Jinn can only manifest a disembodied voice, Luke Skywalker and Yoda are able to use the Force to interact with the physical galaxy after their deaths.